Heyday Books is a nonprofit publishing company that specializes in books on cultural and natural history, photography, music, architecture, reference, and politics. Imprints include BayTree Books, California Legacy, Great Valley Books and the Essential Series. Heyday also regularly holds book signings and special events throughout the Bay Area. If you would like to submit a book, please be sure to include a brief description, a sample chapter and a self-addressed, stamped envelope.